Piston packing-ring.



the opposite end of said ring, the upper Wall of said recess ridingon theiop ol sin( abut nientE sind recess affording clearance ier Suid abufunent 'as Suid ring is' expanded and con traeted, in coinbiinnion with n piten havingI an annular groove therein to receive Suid ring and :1 recess in the side if te receive Suid shield pluie.

3. A piston packing comprising n resilient metallic ring, Suid ring` beingT divided nl ene arranged at ene side of said ring and overlapping beth ends and preventing Suid pieten packing ring` frein reg lation, means for seemingseid shield pluie point, a Shield plate :said groove rigidly le one end ef said ring,r und includ ing :in nhnlnienl iernied integrally xvillh ihil side el: Suid shield, said ring end hnvinq :i 'recess te reeeive sziid nhnimenl. n recess inA the elilmsite end el' Suid ri1ig,ll1enpper wall el' smid recess` riding` on the iep el' said ahnt nient, smid rn'xeeel nlerding clearance for Sn'id n hntnienl as sind ring is expanded :ind eenlrneled, Suid ring hnvilrq n lip e1 side eppesile le ,@:lid Shield pluie.

W il nesses:

li. C. Mrrenicm., M. E. GAnnwrr. 

